464635022416121 has 4 divisors (see below), whose sum is σ = 467202066739044. Its totient is φ = 462067978093200.

The previous prime is 464635022416099. The next prime is 464635022416151. The reversal of 464635022416121 is 121614220536464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49462245043600 + 415172777372521 = 7032940^2 + 20375789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464635022416121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464635022416151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283522161190 + ... + 1283522161551.

It is an arithmetic number, because the mean of its divisors is an integer number (116800516684761).

Almost surely, 2^{464635022416121} is an apocalyptic number.

It is an amenable number.

464635022416121 is a deficient number, since it is larger than the sum of its proper divisors (2567044322923).

464635022416121 is a wasteful number, since it uses less digits than its factorization.

464635022416121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567044322922.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 464635022416121 in words is "four hundred sixty-four trillion, six hundred thirty-five billion, twenty-two million, four hundred sixteen thousand, one hundred twenty-one".